Product comparison · 2 power supply units

Dell 3WN11 power supply unit vs Zalman ZM750-HP Plus

6specifications compared
5differ
1identical
52known for one product only

Key differences

Total power
- 3WN11 power supply unit:240 W
- ZM750-HP Plus:750 W
Cabling type
- 3WN11 power supply unit:Non-Modular
- ZM750-HP Plus:Semi-Modular
Purpose
- 3WN11 power supply unit:PC/Server
- ZM750-HP Plus:PC
Product colour
- 3WN11 power supply unit:Silver
- ZM750-HP Plus:Black
Weight
- 3WN11 power supply unit:300 g
- ZM750-HP Plus:3.5 kg

Side by side

Differences highlightedShow differences only

Comparison of 3WN11, ZM750-HP Plus
58 specifications	A Dell 3WN11 power supply unit Model 3WN11 View product	B Zalman ZM750-HP Plus View product
Power1 differ
Total powerDiffers	240 W	750 W
AC input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
AC input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Input currentKnown for one	Unknown — not stated by the source	10 A
Maximum input current (@110V)Known for one	Unknown — not stated by the source	+12V1,+12V2,+12V3,+12V4,+3.3V,+5V,+5Vsb,-12V
Power factorKnown for one	Unknown — not stated by the source	99
Power Factor Correction (PFC) type	Active	Active
Combined power (+3.3V)Known for one	Unknown — not stated by the source	150 W
Combined power (+12V)Known for one	Unknown — not stated by the source	720 W
Combined power (+5V)Known for one	Unknown — not stated by the source	150 W
Combined power (-12V)Known for one	Unknown — not stated by the source	3.6 W
Combined power (+5Vsb)Known for one	Unknown — not stated by the source	17.5 W
Max output current (+3.3V)Known for one	Unknown — not stated by the source	20 A
Max output current (+12V1)Known for one	Unknown — not stated by the source	25 A
Max output current (+12V2)Known for one	Unknown — not stated by the source	20 A
Max output current (+12V3)Known for one	Unknown — not stated by the source	28 A
Max output current (+12V4)Known for one	Unknown — not stated by the source	28 A
Max output current (+5V)Known for one	Unknown — not stated by the source	25 A
Max output current (-12V)Known for one	Unknown — not stated by the source	0.3 A
Max output current (+5Vsb)Known for one	Unknown — not stated by the source	17.5 A
EfficiencyKnown for one	Unknown — not stated by the source	90%
Power protection featuresKnown for one	Unknown — not stated by the source	Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces1 differ
Motherboard power connectorKnown for one	Unknown — not stated by the source	20+4 pin ATX
Number of SATA power connectorsKnown for one	Unknown — not stated by the source	4
Peripheral (Molex) power connectors (4-pin)Known for one	Unknown — not stated by the source	4
PCI Express power connectors (6-pin)Known for one	Unknown — not stated by the source	2
PCI Express power connectors (6+2 pin)Known for one	Unknown — not stated by the source	2
CPU power connector (4+4 pin)Known for one	Unknown — not stated by the source	Yes
Floppy drive power connectorKnown for one	Unknown — not stated by the source	1
Cabling typeDiffers	Non-Modular	Semi-Modular
Performance1 differ
PurposeDiffers	PC/Server	PC
Power supply unit (PSU) form factorKnown for one	Unknown — not stated by the source	ATX
80 PLUS certificationKnown for one	Unknown — not stated by the source	80 PLUS Silver
ATX versionKnown for one	Unknown — not stated by the source	2.3
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	100000 h
Compatible productsKnown for one	OptiPlex Desktops 990 KATSIKI, 790 GOLD COAST, 390 PALMBEACH, 3010 PALM BEACH MLK SF BTX, 3010 PALM BEACH MLK MT BTX, 3010 PALM BEACH MLK DT BTX, 3010 PALM BEACH MLK	Unknown — not stated by the source
Design1 differ
Product colourDiffers	Silver	Black
Cooling typeKnown for one	Unknown — not stated by the source	Active
Fan diameterKnown for one	Unknown — not stated by the source	14 cm
Number of fansKnown for one	Unknown — not stated by the source	1 fan(s)
Fan locationKnown for one	Unknown — not stated by the source	Side
On/off switchKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 80 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	CB, CE, FCC
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	150 mm
DepthKnown for one	Unknown — not stated by the source	180 mm
HeightKnown for one	Unknown — not stated by the source	86 mm
WeightDiffers	300 g	3.5 kg
Packaging dataidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Package widthKnown for one	260 mm	Unknown — not stated by the source
Package depthKnown for one	94 mm	Unknown — not stated by the source
Package heightKnown for one	85 mm	Unknown — not stated by the source
Package weightKnown for one	1.09 kg	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84733020	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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